The Issuing Switch, a fundamental component of a payment processor’s infrastructure, plays a pivotal role in the transaction flow. It is responsible for initiating and managing payment transactions on behalf of customers, ensuring their authenticity and securely routing them to the relevant financial institution for processing. This process is of paramount importance for financial institutions that issue digital payments, as it is the cornerstone of secure and efficient transaction completion. The Issuing Switch’s ability to handle these tasks effectively is instrumental in maintaining the integrity and reliability of digital payment systems.